English verb conjugation
COULD DEVALUATE

Regular verb: devaluate - devaluated - devaluated

Affirmation

Simple form	V-ing form
I could devaluate you could devaluate she could devaluate we could devaluate you could devaluate they could devaluate	I could be devaluating you could be devaluating she could be devaluating we could be devaluating you could be devaluating they could be devaluating
Perfect	V-ing perfect
I could have devaluated you could have devaluated she could have devaluated we could have devaluated you could have devaluated they could have devaluated	I could have been devaluating you could have been devaluating she could have been devaluating we could have been devaluating you could have been devaluating they could have been devaluating

Negation

Simple form	V-ing form
I couldn't devaluate you couldn't devaluate she couldn't devaluate we couldn't devaluate you couldn't devaluate they couldn't devaluate	I couldn't be devaluating you couldn't be devaluating she couldn't be devaluating we couldn't be devaluating you couldn't be devaluating they couldn't be devaluating
Perfect	V-ing perfect
I couldn't have devaluated you couldn't have devaluated she couldn't have devaluated we couldn't have devaluated you couldn't have devaluated they couldn't have devaluated	I couldn't have been devaluating you couldn't have been devaluating she couldn't have been devaluating we couldn't have been devaluating you couldn't have been devaluating they couldn't have been devaluating

Interrogative form

Simple form	V-ing form
could I devaluate? could you devaluate? could she devaluate? could we devaluate? could you devaluate? could they devaluate?	could I be devaluating? could you be devaluating? could she be devaluating? could we be devaluating? could you be devaluating? could they be devaluating?
Perfect	V-ing perfect
could I have devaluated? could you have devaluated? could she have devaluated? could we have devaluated? could you have devaluated? could they have devaluated?	could I have been devaluating? could you have been devaluating? could she have been devaluating? could we have been devaluating? could you have been devaluating? could they have been devaluating?

Interro-negative form

Simple form	V-ing form
couldn't I devaluate? couldn't you devaluate? couldn't she devaluate? couldn't we devaluate? couldn't you devaluate? couldn't they devaluate?	couldn't I be devaluating? couldn't you be devaluating? couldn't she be devaluating? couldn't we be devaluating? couldn't you be devaluating? couldn't they be devaluating?
Perfect	V-ing perfect
couldn't I have devaluated? couldn't you have devaluated? couldn't she have devaluated? couldn't we have devaluated? couldn't you have devaluated? couldn't they have devaluated?	couldn't I have been devaluating? couldn't you have been devaluating? couldn't she have been devaluating? couldn't we have been devaluating? couldn't you have been devaluating? couldn't they have been devaluating?